JPH0723106B2 - Front body structure of automobile - Google Patents
Front body structure of automobileInfo
- Publication number
- JPH0723106B2 JPH0723106B2 JP63188879A JP18887988A JPH0723106B2 JP H0723106 B2 JPH0723106 B2 JP H0723106B2 JP 63188879 A JP63188879 A JP 63188879A JP 18887988 A JP18887988 A JP 18887988A JP H0723106 B2 JPH0723106 B2 JP H0723106B2
- Authority
- JP
- Japan
- Prior art keywords
- dash
- panel
- pillar
- front pillar
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002787 reinforcement Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/081—Cowls
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は自動車の前部車体構造、特に上下方向に延びる
閉断面構造のフロントピラーに、ダッシュアップパネル
及びダッシュアップメンバによりなり左右方向に延びる
閉断面構造が接続されている自動車の前部車体構造に関
する。The present invention relates to a front vehicle body structure of an automobile, in particular, a front pillar having a closed cross-section structure extending in the vertical direction, which includes a dash-up panel and a dash-up member and extends in the left-right direction. The present invention relates to a front body structure of an automobile to which a closed cross section structure is connected.
（従来の技術） 一般に、自動車の前部車体構造としては、例えば実開昭
61−198180号公報に記載されるように、車体上下方向に
延びる閉断面構造のフロントピラーに対し、車体左右方
向に延び閉断面構造を構成するダッシュアップメンバが
接合されてなるものが知られている。(Prior Art) Generally, as a front body structure of an automobile, for example,
As described in JP 61-198180 A, there is known a front pillar having a closed cross-section structure extending in the vertical direction of a vehicle body and a dash-up member constituting the closed cross-section structure extending in the lateral direction of the vehicle body joined thereto. There is.
（発明が解決しようとする課題） ところが、上記フロントピラー及びダッシュアップメン
バは、いずれも、閉断面構造を構成しているので、フロ
ントピラーとダッシュアップメンバとの接合部におい
て、それらの前側に位置するカウルパネルを接合する場
合に、スポット溶接を用いて接合することができず、組
付作業性の点で不利である。(Problems to be Solved by the Invention) However, since the front pillar and the dash-up member both have a closed cross-section structure, the front pillar and the dash-up member are located on the front side of the joint between the front pillar and the dash-up member. When the cowl panel is to be joined, it cannot be joined using spot welding, which is disadvantageous in terms of workability in assembling.
本発明はかかる点に鑑みてなされたもので、閉断面構造
のフロントピラーと変断面構造を構成するダッシュアッ
プメンバとの接合部において、カウルパネルをスポット
溶接することができる自動車の前部車体構造を提供する
ものである。The present invention has been made in view of the above point, and a front body structure of an automobile capable of spot-welding a cowl panel at a joint between a front pillar having a closed cross-section structure and a dash-up member constituting a variable cross-section structure. Is provided.
（課題を解決するための手段） 本発明は、上下方向に延びる閉断面構造のフロントピラ
ーに、ダッシュアップパネル及びダッシュアップメンバ
によりなり左右方向に延びる閉断面構造が接続されてい
る自動車の前部車体構造を前提とし、上記ダッシュアッ
プパネルとフロントピラーとによりなるコーナ部に、上
記フロントピラーとダッシュアップパネルとの接合部が
配設され、上記ダッシュアップメンバに、上記ダッシュ
アップパネルとフロントピラーとの接合部に臨むように
切欠部が形成され、上記ダッシュアップメンバの前側に
カウルパネルが配置されている構成とする。(Means for Solving the Problems) The present invention relates to a front part of an automobile in which a front pillar having a closed cross-section structure extending in the vertical direction is connected to a closed cross-section structure formed of a dash-up panel and a dash-up member and extending in the left-right direction. Assuming a vehicle body structure, a joint portion between the front pillar and the dash-up panel is provided at a corner portion formed by the dash-up panel and the front pillar, and the dash-up member and the dash-up panel and the front pillar are provided. The notch is formed so as to face the joint portion of, and the cowl panel is arranged on the front side of the dash-up member.
（作用） ダッシュアップメンバに、ダッシュアップパネルとフロ
ントピラーとの接合部に臨むように切欠部が形成され、
上記接合部において、切欠部を通じて、ダッシュアップ
メンバの前側に位置するカウルパネルのスポット溶接が
なされる。(Function) The dash-up member is formed with a notch so as to face the joint between the dash-up panel and the front pillar.
The cowl panel located on the front side of the dash-up member is spot-welded through the notch at the joint.
また、切欠部を通じて、ダッシュアップメンバの内部が
外部に開放されていることになるので、フロントピラー
とダッシュアップパネルとの接合部にシール剤を塗布し
たり、内部に遮音材を配設したりすることが行える。Also, since the inside of the dash-up member is open to the outside through the notch, it is possible to apply a sealing agent to the joint between the front pillar and the dash-up panel, or to arrange a sound insulation material inside. You can do it.
（実施例） 以下、本発明の実施例を図面に沿って詳細に説明する。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図〜第３図において、１は上下方向に延びる閉断面
構造のフロントピラーで、本体2aとその前後縁のフラン
ジ部2b,2cとを有するピラーアウタ２と、本体3aとその
前後縁のフランジ部3b,3cとを有するピラーインナ３と
からなり、ピラーアウタ２のフランジ部2bにピラーイン
ンナ３のフランジ部3bが、ピラーアウタ２のフランジ部
3cにピラーインナ３のフランジ部3cがそれぞれスポット
溶接されてなる。1 to 3, reference numeral 1 denotes a front pillar having a closed cross-section structure extending in the up-down direction, a pillar outer 2 having a main body 2a and flange portions 2b, 2c at front and rear edges thereof, and a main body 3a and flanges at front and rear edges thereof. A pillar inner 3 having portions 3b and 3c, and a flange portion 2b of the pillar outer 2 has a flange portion 3b of the pillar inner 3 and a flange portion of the pillar outer 2
The flange portion 3c of the pillar inner 3 is spot-welded to the 3c.
６は車体左右方向に延びる断面ほぼコ字状のダッシュア
ップメンバで、ほぼ鉛直方向に延びる鉛直部6aと、該鉛
直部6aの上縁から車体前方に延びる上側部6bと、該鉛直
部6aの下縁より前方に延びる下側部6cと、該上下側部6
b,6cの前縁から上下に延びダッシュアップパネル７の後
面に接合されるフランジ部6d,6eとを有し、ダッシュア
ップパネル７とにより左右方向に延びる閉断面構造を構
成している。Reference numeral 6 denotes a dash-up member having a substantially U-shaped cross section that extends in the left-right direction of the vehicle body. The lower side portion 6c extending forward from the lower edge and the upper and lower side portions 6c
The b and 6c have flange portions 6d and 6e that extend vertically from the front edges and are joined to the rear surface of the dash-up panel 7, and the dash-up panel 7 forms a closed cross-section structure that extends in the left-right direction.
また、ダッシュアップメンバ６は、上記フロントピラー
１のピラーインナ３の本体3aに接合されるフランジ部6f
を有すると共に、フロントピラー１とダッシュアップメ
ンバ６との接合部の前側において、ピラーインナ３との
接続部分に切欠部6g,6hが上下に形成されている。上側
の切欠部6gは、下側の切欠部6hよりも開口面積が大きく
なるように形成され（第３図参照）、該両切欠部6g,6h
の周縁には上下に延びる高さの低い補強フランジ部6i,6
jが形成されている。また、上側の切欠部6g内には、フ
ロントピラーインナ３の一部が延長されダッシュアップ
パネル７に接合される延長部3dが位置している。従っ
て、ダッシュアップメンバ６に、ダッシュアップパネル
７とフロントピラー１との接合部に臨むように切欠部6g
が形成されていることになる。尚、このダッシュアップ
メンバ６は、インストルメントパネル（図示せず）にて
被覆される。The dash-up member 6 has a flange portion 6f joined to the main body 3a of the pillar inner 3 of the front pillar 1.
In addition to the above, notches 6g and 6h are vertically formed in the connecting portion with the pillar inner 3 on the front side of the joint portion between the front pillar 1 and the dash-up member 6. The upper notch 6g is formed to have a larger opening area than the lower notch 6h (see FIG. 3).
Along the periphery of the reinforcement flange 6i, 6
j is formed. Further, in the upper cutout portion 6g, an extension portion 3d, which is a portion of the front pillar inner 3 extended and joined to the dash-up panel 7, is located. Therefore, the dash-up member 6 has a notch 6g so as to face the joint between the dash-up panel 7 and the front pillar 1.
Has been formed. The dash-up member 6 is covered with an instrument panel (not shown).
また、ダッシュアップメンバ６の下側の欠切部6h付近で
は、第３図に示すように、ピラーアウタ２のフランジ部
2b付近の本体2aにフランジ部3bが、ピラーアウタ２のフ
ランジ部3cにピラーインンナ３のフランジ部3cがそれぞ
れスポット溶接されてなる。上記フロントピラーアウタ
２の前側のフランジ部2bは、エンジンルームと車室とを
仕切るダッシュアップパネル７とエンジンルームの側壁
を構成するホイールエプロン８との接合部にスポット溶
接されている。上記ダッシュアップパネル７には、ダッ
シュアップメンバ６との接合部付近で、ダッシュロアパ
ネル９の上縁部が接合されている。In the vicinity of the cutout 6h below the dash-up member 6, as shown in FIG. 3, the flange portion of the pillar outer 2 is provided.
A flange portion 3b is spot-welded to the main body 2a near 2b, and a flange portion 3c of the pillar inner 3 is spot-welded to the flange portion 3c of the pillar outer 2. The front flange portion 2b of the front pillar outer 2 is spot welded to a joint between a dash-up panel 7 that separates an engine room from a vehicle compartment and a wheel apron 8 that forms a side wall of the engine room. An upper edge portion of the dash lower panel 9 is joined to the dash up panel 7 in the vicinity of a joint portion with the dash up member 6.
また、上記フロントピラー１のピラーアウタ２の前側に
は凹部2dが形成され、該凹部2dに、ダッシュアップパネ
ル７と共にカウンタパネル10に接合されている。また、
上記凹部2dよりさらに下側には、別の凹部2eが形成さ
れ、上記カウルパネル10と共に、カウルレインフォース
メント11が接合されている。A recess 2d is formed on the front side of the pillar outer 2 of the front pillar 1 and is joined to the counter panel 10 together with the dash-up panel 7 in the recess 2d. Also,
Another recess 2e is formed further below the recess 2d, and the cowl reinforcement 11 is joined together with the cowl panel 10.
上記カウルパネル10の側縁には、カウルサイドレインフ
ォースメント12の上側フランジ部12aが接合されてい
る。An upper flange portion 12a of the cowl side reinforcement 12 is joined to a side edge of the cowl panel 10.
上記のように構成すれば、カウルパネル10は、上記切欠
部6g,6hを通じてフロントピラー１（ピラーアウタ２及
びピラーインナ３）、ダッシュアップパネル７及びカウ
ルレインフォースメント11にスポット溶接できることと
なり（第２図の溶接点P1,P2,P3,P4参照）、組付作業性
が向上すると共に、車体精度も高まる。With the above configuration, the cowl panel 10 can be spot-welded to the front pillar 1 (pillar outer 2 and pillar inner 3), the dash-up panel 7 and the cowl reinforcement 11 through the notches 6g and 6h (see FIG. 2). Welding points P 1 , P 2 , P 3 , P 4 ), assembling workability is improved, and vehicle body precision is also improved.
また、フロントピラー１のピラーアウタ２とダッシュア
ップパネル７との接合部に、切欠部6gを通じてシール剤
Ｓを塗布できるので、シール性を高めることもできる。
また、該切欠部6g,6hを通じてアンテナフィーダ線を導
出し、フロントピラー１に沿わせることも可能となる。
この場合、このアンテナフィーダ線は最終的にはトリム
にて被覆される。Further, since the sealing agent S can be applied to the joint between the pillar outer 2 of the front pillar 1 and the dash-up panel 7 through the notch 6g, it is possible to enhance the sealing property.
Further, it is possible to lead out the antenna feeder line through the cutouts 6g and 6h and run it along the front pillar 1.
In this case, the antenna feeder wire is finally covered with trim.
さらに、上記切欠部6g,6hを通じて、ダッシュアップメ
ンバ６の内部に、例えばエステル系の独立気泡ウレタン
などからなる吸音材を配置できるようになるので、吸音
性を高めることも可能となる。Further, since the sound absorbing material made of, for example, ester-based closed-cell urethane can be arranged inside the dash-up member 6 through the notches 6g and 6h, it is possible to enhance the sound absorbing property.
（発明の効果） 本発明は、上記のように、ダッシュアップメンバに、ダ
ッシュアップパネルとフロントピラーとの接合部に臨む
ように切欠部を形成したので、車体の剛性を低下させる
ことなく、切欠部を通じてフロントピラーとカウルパネ
ルとのスポット溶接が可能となり、組付作業性が向上す
る。それと共に、上記切欠部を通じてシール材の塗布、
吸音材の配置が可能となるので、シール性の向上、吸音
性の向上を図ることができる。(Advantages of the Invention) As described above, according to the present invention, since the notch is formed in the dash-up member so as to face the joint between the dash-up panel and the front pillar, the notch does not decrease the rigidity of the vehicle body. The front pillar and the cowl panel can be spot-welded through the part, improving the workability of assembly. At the same time, application of sealing material through the cutout,
Since the sound absorbing material can be arranged, it is possible to improve the sealing property and the sound absorbing property.
【図面の簡単な説明】 図面は本発明の実施例を例示するもので、第１図は自動
車前部のフロントピラーとダッシュアップメンバとの接
合部付近の後側部分を示す斜視図、第２図は自動車前部
のフロントピラーとダッシュアップメンバとの接合部付
近の前側部分を示す斜視図、第３図は第２図のIII−III
線における断面図である。 １……フロントピラー、６……ダッシュアップメンバ、
6g,6h……切欠部、７……ダッシュアップパネル、10…
…カウルパネルBRIEF DESCRIPTION OF THE DRAWINGS The drawings illustrate an embodiment of the present invention, and FIG. 1 is a perspective view showing a rear side portion in the vicinity of a joint between a front pillar and a dash-up member in a front portion of an automobile. FIG. 3 is a perspective view showing a front portion in the vicinity of a joint between a front pillar and a dash-up member in a front portion of an automobile, and FIG. 3 is a III-III line in FIG.
It is sectional drawing in a line. 1 …… Front pillar, 6 …… Dash-up member,
6g, 6h …… Notch, 7 …… Dash-up panel, 10…
… Cowl panel
Claims (1)
ラーに、ダッシュアップパネル及びダッシュアップメン
バによりなり左右方向に延びる閉断面構造が接続されて
いる自動車の前部車体構造において、 上記ダッシュアップパネルとフロントピラーとによりな
るコーナ部に、上記フロントピラーとダッシュアップパ
ネルとの接合部が配設され、 上記ダッシュアップメンバに、上記ダッシュアップパネ
ルとフロントピラーとの接合点に臨むように切欠部が形
成され、 上記ダッシュアップメンバの前側にカウルパネルが配置
されていることを特徴とする自動車の前部車体構造。1. A front body structure of an automobile, wherein a front pillar having a closed cross section structure extending in the vertical direction is connected to a closed cross section structure formed of a dash-up panel and a dash-up member and extending in the left-right direction. The front pillar and the dash-up panel are joined to each other at a corner formed by the front pillar and the front pillar, and the dash-up member is provided with a notch so as to face the joint point between the dash-up panel and the front pillar. A front body structure of an automobile, wherein a cowl panel is formed on the front side of the dash-up member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63188879A JPH0723106B2 (en) | 1988-07-28 | 1988-07-28 | Front body structure of automobile |
| US07/386,927 US4964672A (en) | 1988-07-28 | 1989-07-28 | Dashboard support construction for cowl region of a motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63188879A JPH0723106B2 (en) | 1988-07-28 | 1988-07-28 | Front body structure of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0237084A JPH0237084A (en) | 1990-02-07 |
| JPH0723106B2 true JPH0723106B2 (en) | 1995-03-15 |
Family
ID=16231481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63188879A Expired - Fee Related JPH0723106B2 (en) | 1988-07-28 | 1988-07-28 | Front body structure of automobile |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4964672A (en) |
| JP (1) | JPH0723106B2 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052742A (en) * | 1989-06-30 | 1991-10-01 | Toyota Jidosha Kabushiki Kaisha | Cowlside joint structure for use with vehicle |
| US5358304A (en) * | 1989-12-21 | 1994-10-25 | Mazda Motor Corporation | Front body structure of a vehicle and assembling method |
| DE69105016T2 (en) * | 1990-03-30 | 1995-03-23 | Mazda Motor | Front body structure of a motor vehicle. |
| DE4201937C2 (en) * | 1991-01-25 | 1997-05-22 | Murata Manufacturing Co | Piezoelectric laminated actuator |
| JPH04365678A (en) * | 1991-03-28 | 1992-12-17 | Mazda Motor Corp | Vehicle body front part structure of automobile |
| JP2593944Y2 (en) * | 1992-11-11 | 1999-04-19 | マツダ株式会社 | Car upper body structure |
| DE19738511A1 (en) * | 1997-09-03 | 1999-03-04 | Daimler Benz Ag | Semifinished car bodywork |
| ATE240864T1 (en) | 1997-10-24 | 2003-06-15 | Decoma Int Inc | END PLATE ARRANGEMENT FOR ATTACHING TO A VEHICLE AND METHOD FOR PRODUCING THE SAME |
| DE19813094B4 (en) * | 1998-03-25 | 2005-06-23 | Adam Opel Ag | Vehicle body with two A-pillars |
| US6769733B2 (en) * | 2001-10-16 | 2004-08-03 | Alcoa Inc. | Bulkhead assembly for a motor vehicle |
| KR100783858B1 (en) * | 2006-07-25 | 2007-12-10 | 현대자동차주식회사 | Cowl side of car and front pillar reinforcement structure |
| JP5104367B2 (en) * | 2008-02-08 | 2012-12-19 | トヨタ自動車株式会社 | Body front structure |
| JP6225891B2 (en) * | 2014-12-09 | 2017-11-08 | トヨタ自動車株式会社 | Vehicle front structure and vehicle front assembly method |
| US10974769B2 (en) | 2019-01-14 | 2021-04-13 | Fca Us Llc | Vehicle structural systems for sorb impact events |
| KR20230103161A (en) * | 2021-12-31 | 2023-07-07 | 현대자동차주식회사 | Front vehicle body structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628061Y2 (en) * | 1976-05-13 | 1981-07-03 | ||
| JPS55165875U (en) * | 1979-05-16 | 1980-11-28 | ||
| JPS6020531Y2 (en) * | 1980-01-16 | 1985-06-19 | マツダ株式会社 | Automobile front body structure |
| JPS6130469A (en) * | 1984-07-23 | 1986-02-12 | Nissan Motor Co Ltd | Cowl box combined part construction |
| JPS61198180A (en) * | 1985-02-27 | 1986-09-02 | Olympus Optical Co Ltd | Image forming device |
| US4699419A (en) * | 1985-07-03 | 1987-10-13 | Toyota Jidosha Kabushiki Kaisha | Structure for connecting front pillar and cowl in vehicle |
| JPS62103713A (en) * | 1985-10-30 | 1987-05-14 | Hitachi Seiki Co Ltd | Machine tool numerical control device |
| KR910000502B1 (en) * | 1986-09-26 | 1991-01-26 | 마쯔다 가부시끼가이샤 | Steering assembly supporting structure of a motor vehicle |
-
1988
- 1988-07-28 JP JP63188879A patent/JPH0723106B2/en not_active Expired - Fee Related
-
1989
- 1989-07-28 US US07/386,927 patent/US4964672A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237084A (en) | 1990-02-07 |
| US4964672A (en) | 1990-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |